请注意，mptr是按8字节边界划分颗粒度的，而这一位置不是。
Note that the MPTR, not this slot, is grained on an 8 byte boundary. The flags are as follows.
磁铁矿颗粒氧化按温度划分为两段，在较低温度下主要是铁离子扩散，较高温度下氧离子扩散的扩散能力增强。
Oxidation of magnetite grains is divided into tow stages, according to temperature, and iron ion diffuses at lower temperature and diffusion amount of oxygenic ion increases at higher temperature.
二是分选，就是将已解离出来的矿物颗粒按其物理化学性质差异分选为不同的产品。
Second, sorting, is to have dissociated out of their physical and chemical properties of mineral particles between different product sub-elected.
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